... 2.Competitive price Rail washerWe supply kinds of rail fasteners,such as fishplates,rail clips,rail clamp,screw spikes,rubber tie pllates,nut&bolts and ... ; hdg; etc8. Screw spike/sleeper screw/ dog spikes 1) Type: Ss series square spikes remain Ss5; ss8; ss25; ss36, all kinds ... , BS square spike, Twisted spike, 70 type spike and other spikes. 2) Raw material: Q235, 35#, 45#, 40Mn2, 20Mnsi 3) Grade ...